Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
20-10-2022 19:31
Static task
static1
Behavioral task
behavioral1
Sample
cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe
Resource
win10v2004-20220901-en
General
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Target
cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe
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Size
707KB
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MD5
a0010ef73af346827f58019702999e80
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SHA1
26dbc97cb76284cd2a74171cdd73b67a6a1bef77
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SHA256
cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6
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SHA512
bf64e387e19a642e22e8285b47f5c945056b217029b8b39fb94ea0b7b5873852b584cdd4a5167c90b2a89378df67a802b5437ccfe731c970ef7f72703790d039
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SSDEEP
12288:vApKlLJ7PZ6BtorUU/4eb5A7t9SP5ZOhXmtfICEc34o7yBSjY/AHCFvitJJH3hmx:4Yl3EtSd5AjhXoACEfo7BjY/AHCFvcJc
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4416 sex.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 800 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4a8657c77bd7429270b8252409508206.exe sex.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4a8657c77bd7429270b8252409508206.exe sex.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4a8657c77bd7429270b8252409508206 = "\"C:\\Users\\Admin\\AppData\\Roaming\\sex.exe\" .." sex.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4a8657c77bd7429270b8252409508206 = "\"C:\\Users\\Admin\\AppData\\Roaming\\sex.exe\" .." sex.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
pid Process 3068 cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe 4416 sex.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4416 sex.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3068 cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe 4416 sex.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3068 wrote to memory of 4416 3068 cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe 82 PID 3068 wrote to memory of 4416 3068 cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe 82 PID 3068 wrote to memory of 4416 3068 cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe 82 PID 4416 wrote to memory of 800 4416 sex.exe 83 PID 4416 wrote to memory of 800 4416 sex.exe 83 PID 4416 wrote to memory of 800 4416 sex.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe"C:\Users\Admin\AppData\Local\Temp\cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6.exe"1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Users\Admin\AppData\Roaming\sex.exe"C:\Users\Admin\AppData\Roaming\sex.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\sex.exe" "sex.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:800
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
707KB
MD5a0010ef73af346827f58019702999e80
SHA126dbc97cb76284cd2a74171cdd73b67a6a1bef77
SHA256cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6
SHA512bf64e387e19a642e22e8285b47f5c945056b217029b8b39fb94ea0b7b5873852b584cdd4a5167c90b2a89378df67a802b5437ccfe731c970ef7f72703790d039
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Filesize
707KB
MD5a0010ef73af346827f58019702999e80
SHA126dbc97cb76284cd2a74171cdd73b67a6a1bef77
SHA256cc9724f98f41ec67739b6bbcb818b353f3864db86f4cba7ce5c8c9b24c5941d6
SHA512bf64e387e19a642e22e8285b47f5c945056b217029b8b39fb94ea0b7b5873852b584cdd4a5167c90b2a89378df67a802b5437ccfe731c970ef7f72703790d039